Hello all,
I'm starting to play with Docker in my computer, but could not find yet the
correct configuration. "everything seems right", but things do not work and
the Bacula Backup job spits dozens of error messages when trying to backup
the docker files. Any suggestions and recommendations are appreciated.
Thanks and regards
Ismael
Section from /opt/bacula/etc/bacula-dir.conf
Fileset {
Name = FullSetUbuntu
...
Include {
Plugin = "docker: allvolumes mode=pause"
Options {
Compression = Gzip
Signature = Md5
}
}
...
Section from /opt/bacula/etc/bacula-fd.conf
...
FileDaemon { # this is me
Name = IMCSERV26
WorkingDirectory = /opt/bacula/working
Pid Directory = /opt/bacula/working
Maximum Concurrent Jobs = 5
Plugin Directory = /opt/bacula/plugins
TLS Enable = no
}
...
Messages from the backup job log:
IMCSERV26 JobId 3845: docker: Start Backup Docker Container:
tender_visvesvaraya (e8a24996bd9c)
IMCSERV26 JobId 3845: Error: dkcommctx: container_commit cannot scan
commit image id. Err=Flag --pause has been deprecated, and enabled by
default. Use --no-pause to disable pausing during commit.
sha256:52aaaa3ff36ebd9ee18611eee785a7f7505638319ac4d2b9e85c7ad3a3c897bc
IMCSERV26 JobId 3845: Cannot open
"/@docker/container/tender_visvesvaraya/e8a24996bd9c683b8a7a3119de7b7675c4baf2c359ddde1d3851e7de5eaa4974.tar":
ERR=Input/output error.
>From the console:
im@imcserv26:~$ id bacula
uid=113(bacula) gid=116(bacula) groups=116(bacula),26(tape),971(docker)
im@imcserv26:~$ sudo journalctl -u docker -n 100 --no-pager
Nov 05 12:45:44 imcserv26.imc.internal dockerd[2691]:
time="2026-11-05T12:45:44.031654296Z" level=error msg="Handler for GET
/images/get returned error" error-response="invalid repository name
(96498ffd522e70807ab6384a5c0485a79b9c7c08ca79ba08623edcad1054e62d), cannot
specify 64-byte hexadecimal strings" method=GET module=api
request-url="/v1.56/images/get?names=96498ffd522e70807ab6384a5c0485a79b9c7c08ca79ba08623edcad1054e62d"
status=500 vars="map[version:1.56]"
im@imcserv26:~$ docker --version
Docker version 29.9.3, build 5457199
im@imcserv26:~$ sudo bconsole
Connecting to Director imcserv26:9101
1000 OK: 10002 IMCSERV-dir Version: 15.0.3 (25 March 2025)
Enter a period to cancel a command.
*q
im@imcserv26:~$ sudo docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS
PORTS NAMES
e8a24996bd9c hello-world "/hello" 3 months ago Exited (0) 3 months
ago tender_visvesvaraya
im@imcserv26:~$
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